<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>js第一个程序</title>
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="../../jsfile/layer.css"/>
    <script src="../../jsfile/jquery.js"></script>
    <script src="../../jsfile/layer.js"></script>
    <script src="../../jsfile/base.js"></script>
    <script>

        alert("hello javascript!!!");
    </script>
</head>
<body>
<p id="text_show">
alert是javascript语言提供的一个警告函数框
它可以接收任意类型的参数,这个参数就是警告框的提示信息
</p>

<div class="look_source_code" onclick="getPageContent()">查看源码</div>
</body>
</html>